A&P Lab II Homework IV Questions Flashcards


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1

The _______ ________ lacks arteries and begins with blind-ended lymph capillaries. This it is a return system only.

lymphatic system

2

Right Lymphatic Duct

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drains right half and upper torso, head, and right arm

3

Thoracic Duct

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drains to all body except right half upper torso head, and right arm

4

The Cisterna Chyli...

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-is and enlarged terminus of thoracic duct
-receives lymph from the digestive viscera
-composition of the lymph in this section is very fat rich

5

Major Functions of the lymph nodes

-remove debris from the lymph
-provide a site for cloning and multiplication of lymphocytes

6

Lymphocytes B

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-upon antigen challenge, they clone to produce daughter cells, most of which are plasma cells that release antibodies to the blood (humoral response)

7

Lymphocytes T

-mount cell mediated immunity
-Attack virus infected cells, tumor cells, bacteria, etc.
-Also activates B cells and enhance the migration of other WBCs into the area to help destroy antigens

8

Antigen

molecule capable of provoking an immune response

9

Antibody

excess tissue fluid that has leaked out of capillaries